Company lists · Data refreshed November 2026

Top 20 Data management consultancies based in the United Kingdom

RevenueBase identified 1,482 company matches for data management consultancies associated with the United Kingdom as of November 2026 and tracks 20,238 professional contacts across them, including 7,523 with verified work emails. London is the largest hub.

This list covers company matches for data management consultancies associated with the United Kingdom, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 5, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Nov 5, 2026 How this list was built
1,482Companies
20,238Contacts tracked
7,523Verified emails
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The 20 largest data management consultancies based in the United Kingdom

Ranked by team size
Top 20 of 1,482 company matches for data management consultancies based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 5, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchLondon, United KingdomHQ recorded Nov 5, 20261,001-5,0001,184 contacts →

Exact match

“Smartstream unlocks trusted, intelligent data insights – clearly, consistently, and without compromise.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
2Exact matchNewry, United KingdomHQ recorded Nov 5, 20261,001-5,000936 contacts →

Exact match

“First Derivative is driven by people, data, and technology, unlocking the value of insight, hindsight, and foresight to drive organizations forward.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
3Exact matchReading, United KingdomHQ recorded Nov 5, 2026201-500459 contacts →

Exact match

“FSP is a leading consultancy specialising in Data and AI, Cyber Security, Enterprise Cloud and Change Delivery, providing advisory led enterprise transformation delivered through…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
4Exact matchLondon, United KingdomHQ recorded Nov 5, 2026201-500412 contacts →

Exact match

“Softwire exists to help organisations use technology to deliver meaningful outcomes and a positive impact for themselves, their users and the world.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
5Exact matchBath, United KingdomHQ recorded Nov 5, 202651-200252 contacts →

Exact match

“Edit are future-focused data and technology experts.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
6Exact matchLondon, United KingdomHQ recorded Nov 5, 202651-200226 contacts →

Exact match

“Fusion GBS is a global Service Management specialist helping organisations improve how they operate, serve customers and support employees.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
7Exact matchChesterfield, United KingdomHQ recorded Nov 5, 20261,001-5,000213 contacts →

Exact match

“Proact is Europe’s leading specialist in data and information management with focus on cloud services and data centre solutions.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
8Exact matchLondon, United KingdomHQ recorded Nov 5, 202651-200200 contacts →

Exact match

“The Information Lab is on a mission.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
9Exact matchMilton Keynes, United KingdomHQ recorded Nov 5, 202651-200162 contacts →

Exact match

“Honourable Mention in the Gartner© Magic Quadrant™ for Insight Engines 2022.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
10Exact matchBristol, United KingdomHQ recorded Nov 5, 202651-200141 contacts →

Exact match

“Squarcle is a procurement, supply chain and digital specialist which sits at the centre of transformation, with a skillset which has proven relevance in any market characterised…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
11Exact matchYork, United KingdomHQ recorded Nov 5, 202651-200133 contacts →

Exact match

“Microsoft Partner of the Year 2024, Simpson Associates is a Data Transformation and managed services provider that helps organisations from both the public and private sectors…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
12Exact matchLondon, United KingdomHQ recorded Nov 5, 202651-200133 contacts →

Exact match

“WHO WE ARE Glue Reply is a business consultancy that strives to help its clients achieve their future potential by developing solutions that often for the first time align IT…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
13Exact matchStaines-upon-thames, United KingdomHQ recorded Nov 5, 2026201-500127 contacts →

Exact match

“Technology consultancy providing expertise to complex IT programs.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
14Exact matchEdinburgh, United KingdomHQ recorded Nov 5, 202651-200126 contacts →

Exact match

“Dufrain is a specialist Data & AI transformation consultancy helping regulated enterprises turn data into practical advantage.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
15Exact matchBorehamwood, United KingdomHQ recorded Nov 5, 202651-200126 contacts →

Exact match

“OCS Consulting plc, established in 1984 and now an employee-owned organisation, is a leading IT Consultancy with offices in the UK, The Netherlands, Switzerland, and Belgium.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
16Exact matchLondon, United KingdomHQ recorded Nov 5, 202651-200118 contacts →

Exact match

“Trusted by some of the UK's most important organisations, Amber Labs delivers digital transformation where assurance matters just as much as pace.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
17Exact matchEdinburgh, United KingdomHQ recorded Nov 5, 202651-200117 contacts →

Exact match

“We are an IT Consultancy and Managed Services company in Edinburgh with offices in London, Founded by Charles Scott, and Andrew Watson in We have successful Enterprise Consulting…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
18Exact matchLeeds, United KingdomHQ recorded Nov 5, 202651-200116 contacts →

Exact match

“Oakland is a consultancy focused exclusively on liberating and activating data.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
19Exact matchMiddlesex, United KingdomHQ recorded Nov 5, 202651-200108 contacts →

Exact match

“Information is the lifeblood of business.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
20Exact matchPorto, United KingdomHQ recorded Nov 5, 202651-20097 contacts →

Exact match

“JTA is a leading-edge consultancy firm specializing in providing its clients with access to world class Data Scientists by offering a range of integrated services covering Data…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase

Showing 20 of 1,482 data management consultancies based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 7,523 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Data management consultancies based in the United Kingdom at a glance

As of Nov 5, 2026
37.2%Verified-email coverage
13.7Average contacts per company
1-10Median size (employees)
40.1%Largest-city concentration · London
Nov 5, 2026Page data refreshed

Companies by employee count

1-10
1,017
11-50
315
51-200
114
201-500
13
501-1,000
2
1,001-5,000
9
10001+
3

Email recency for this list is measured worldwide rather than for United Kingdom, so it is reported there. Company counts and contact totals on this page are exact for United Kingdom, over 1,482 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies
Company records associated with the United Kingdom whose business descriptions match “data management consultancies” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
Ranking
Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification
Every displayed company carries at least one verified work email. RevenueBase tracks 7,523 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on November 5, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “data management consultancies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many data management consultancies are there based in the United Kingdom?

RevenueBase identified 1,482 company matches for data management consultancies associated with the United Kingdom as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Smartstream tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most data management consultancies?

London leads with 594 company records, followed by Manchester (34) and Bristol (23).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 7,523 professional contacts with verified work emails tracked across these 1,482 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 5, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.